How are duplicates defined?

Duplicates are defined by you, the user, in CleanCRM, CleanImport, and CleanCSV settings. You can choose which fields to use for matching, the type of matching to use (Don’t Match, Exact, Starts With, and Fuzzy), and advanced match settings for each field. See the Match Settings section of CleanCRM Help, CleanImport Help, or CleanCSV Help for more information on defining duplicates.